BaseRecyclerViewAdapterHelper使用说明

https://github.com/CymChad/BaseRecyclerViewAdapterHelper

这个框架是陈明宇开发的，封装了一个RecyclerView的adapter，不用替换原生的RecyclerView便能实现更多功能，比较方便。由于经常忘记如何使用，所以记录一下。

也可以访问这个地址，以前版本的说明，感觉比现在的说明详细些。

https://github.com/CymChad/BaseRecyclerViewAdapterHelper/wiki/old_doc-cn
先贴出adapter的代码，是不是比普通的RecyclerView的adapter简单许多。

public class adapter extends BaseQuickAdapter {
    public adapter( List data) {
        super(R.layout.recyclerviewadapter, data);
    }
    @Override
    protected void convert(BaseViewHolder helper, Recharge.DataItem.ListItem item) {
        helper.setText(R.id.a,item.depositordersid)
                .setText(R.id.b,item.cardNumber+"")
                .setText(R.id.c,item.amount+"");
    }
}

Recharge.DataItem.ListItem是json解析后的bean类，List data 这个是在外边传入的数据通过new adapter的时候设置的
Adapter adapter=new adapter(new ArrayList());
下面贴出Activity的代码

import android.os.Bundle;
import android.support.v4.widget.SwipeRefreshLayout;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;

import com.chad.library.adapter.base.BaseQuickAdapter;
import com.freevoip.easery.net.ApiUrls;
import com.freevoip.easery.net.MyCallBack;
import com.freevoip.easery.net.NetClient;
import com.google.gson.Gson;

import java.util.ArrayList;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;

public class MainActivity extends AppCompatActivity implements BaseQuickAdapter.RequestLoadMoreListener, SwipeRefreshLayout.OnRefreshListener {

    private Gson gson;
    private com.freevoip.easery.adapter adapter;
    private SwipeRefreshLayout sw;
    private RecyclerView ry;
    private Recharge chongzhi;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        ry = (RecyclerView) findViewById(R.id.ry);
        sw = (SwipeRefreshLayout) findViewById(R.id.sw);

        adapter=new adapter(new ArrayList());
        ry.setLayoutManager(new LinearLayoutManager(this));
        adapter.setOnLoadMoreListener(this,ry);//必需指定ry 要不会闪退
        ry.setAdapter(adapter);
//        adapter.openLoadAnimation(BaseQuickAdapter.SLIDEIN_BOTTOM);//设置动画
//        mCurrentCounter = adapter.getData().size();

        gson = new Gson();
        sw.setOnRefreshListener(this);
        loadData(1,false);
    }
//页数 每次下拉的时候
    private int pageNum=1;
//创建一个集合用来存储网络请求回来的数据
    private List dataSource=new ArrayList<>();
    private void loadData(int pageNum, final boolean isloadmore) {
        Map params = new LinkedHashMap();
        params.put("staffid", "1" );
        params.put("pageNo",pageNum );
        params.put("pageSize","10");

        NetClient.getInstance().doGet(ApiUrls.RECHARGE, params, new MyCallBack() {
            @Override
            public void onFailure(int code) {
            }

            @Override
            public void onResponse(String json) {
                chongzhi = gson.fromJson(json, Recharge.class);
                if (chongzhi.status.equals("1")){
                    List list = chongzhi.data.list;
                    if (list!=null&&list.size()>0)
                        if (!isloadmore){
                            dataSource=list;
                        }else {
                            dataSource.addAll(list);
                        }
                    adapter.setNewData(dataSource);
                    adapter.notifyDataSetChanged();
                }
            }
        });
    }
    private static final int PAGE_SIZE = 6;//为什么是6呢？
    private boolean isErr;
    private boolean mLoadMoreEndGone = false; //是否加载更多完毕
    private int mCurrentCounter = 0;
    int TOTAL_COUNTER=0;
    @Override
    public void onLoadMoreRequested() {
        sw.setEnabled(false);//上拉加载的时候关闭下拉刷新 之后再打开
        TOTAL_COUNTER = chongzhi.data.total;//总条数
        int size = adapter.getData().size();
        if (size < PAGE_SIZE) {
            adapter.loadMoreEnd(true);
        } else {
            if (mCurrentCounter >= TOTAL_COUNTER) {
                //TOTAL_COUNTER 为最大数量
//                            //数据全部加载完毕
//                    pullToRefreshAdapter.loadMoreEnd();//default visible
                adapter.loadMoreEnd(mLoadMoreEndGone);//true is gone,false is visible
            } else {
                if (isErr) {
                    //成功获取更多数据  DataServer.getSampleData(PAGE_SIZE) 为设置新的数据集合
//                    adapter.addData(DataServer.getSampleData(PAGE_SIZE));
                    pageNum += 1;
                    loadData(pageNum, true);
                    mCurrentCounter = adapter.getData().size();
                    adapter.loadMoreComplete();
                } else {
                    //获取更多数据失败
                    isErr = true;
                    adapter.loadMoreFail();

                }
            }
            sw.setEnabled(true);
        }
    }


    @Override
    public void onRefresh() {
        adapter.setEnableLoadMore(false);//下拉刷新的时候关闭上拉加载 之后再打开
                sw.postDelayed(new Runnable() {
                    @Override
                    public void run() {
                        loadData(1,false);
                        isErr = false;
                        mCurrentCounter = PAGE_SIZE;//这行不能删除
                        pageNum=1;//页数置为1 才能继续重新加载
                        sw.setRefreshing(false);
                        adapter.setEnableLoadMore(true);
                    }
                },2000);
    }
}

经过以上步骤就可以使用 BaseRecyclerViewAdapterHelper了